Rockfoed



W. F. & J. BARNES.

FOOT-POWER.

No.175,010,. Patented March 21,1876.

hlIlEiilIIII-% WITNESSES I JV V'EJV' TOR flag/ U7 B 1 5 Attorney lfakm 36627066.

NFETERS, PHOTO-IJTHOGRIPHER, WASHINGTON. D C.

{ ,and; JoHN BARNES; both fltookford,iir the lathesfian V y a hi y'; telqll ngl 'ck' movement;

a {we I :OfZCQIILPjd-I' "ti-vely Iarge'diamete lnfsuitable" rings, and 1 provide t w'it ankarmsfoni opposite I sides thereof, to which thefeetj of the o er tor motion heingfcommu ni- 'r IIQy "wa -pul ey 9 7 especially adapt d best way no'wknown c r ft employ aFdr' Figureil is chineyaQdFiggZ a rear view thereof, partly in section,on thelinea: a, of 1. a g

A; suitable standard or frame, A, preferably of metal, is provided, with branching arms a at its" top {or supporting a table, B,;aportion, I), of'which extends backward and supports a-suitable bracket, 0, projecting both above and below the table, to form fulcrums for a vibrating-saw-fiaine, D, all ofwhich is similar to that shown?-iii]LettersPatentNov v 172,951, granted to is February 1,1876, for improvements in scroll saws. l Near the bottom of [the standard A," which is supported upon'i a suitable base, Afiis mounted a double-cranked drivil ig-pulley, E, a continuation; of its shaft or axis-E, which '-passes through suitable hearings in thestarid- 4 ard, being so constructed asto constitute one ,of the cranksor foot-supports. These cranks are provided with loosc-bearin g sleeves e e, for a well-known purpose, 1 The driving-pulley E is provided with a belt-groove in its periphery,

IMPR -QVE I VlE NT IN root-admins} l forwthe reception of a driving-belt, F, which passes-therefrom over a pulley, G (the;diam.- eterqof which is considerably sinall e'r than that of the driving-pulley,) mountedfan d}turning upon a-shortstud-axle, g, only-the standard I immediately beneath the table ofthe machine.

11 arm or lever of the vibrating sau :Well known.

t "on ROCKFORD, ILLI OI his pulley G, by means of suitablelink-connections g,which connect it with' jthe' lower ame; no

;niunicates motion thereto whenitl edriving' ulley is operated. .By varyin'g' the diameters 1 offthe driving and driven pulleys,"a greater or x-le s's ,apidity of movement ofth e' crating ill be obtained,-as is arjtslhof "the machine W n1 using'a foot-power constructe our invention, theoperator places; his feet directly upon the cranks of thendrivingapu'lley and bears or pushes one of ithem -away from 'him to commence its re volution',;-ai|d then by alternately bearing and drawing upon them heis enabl'edto keep up a continuous movement, which, as before stated, :isi communicated to the apparatus to befldriven by the belt-connections passing to the driven pulley or s'haft, or by suitable gearing;

In a foot-'power such as described, power I, can be applied for a greater parttof thevcircle described. by the cranks than could be possible by the use of treadles, and we have inpractice found that the cranks can bedrawn toward with almost as much powerasin forcing them from the operator, whereby we obtain atleast one-fourth more of the circleto operate upon than when treadles are used; In-

.stead of mounting the driving-pulleyupon the side of the standard, and having itsshaftconstitute one of the cranks, we; contemplate placing the pulley centrally in a recess in said standard and have the cranks project from either side, as less friction and a steadier movement would probably result from. such an arrangement.

By dispensing with treadles or foot-board's space is economized in transportation.

We are aware that velocipedes have been propelled by the use of double-cranked driving-wheels, and do not claim such-a device; but .we are notaware that'a double cranked driving-pulley, to be operated by foot-power applied directly thereto, has been mounted ccording upon ai stzitionairy maehine to drive it by bel't- L cranked driving-milky,moiln't conueetionsrunning from said pulley. drivempniley, also -m0unte n We claim are em illVBlltiOlland eonneetedfby link-e nnecti' h 'iflffllif enihimuion, substantially. asjhere vihrgiting sawifumnei zinfli -wnii''t'ations nhefore set "forth, of at tationary frame, a 'passing from the driving}; the driven pulley.

v ,dpuhle-cr-(n keddriving-pulley mounted ithere- In {testimony avhereot v hereunto 011,111! adapted to be driven directly by the subscribed our names. -.feet of the operator, and gearing or belt coni rneetionepassiug from saiddriaihg'iiifilieyever- WILIZIAM, ,BA RNES. i rtipiilley or shaft of the machine to be driven, JOHN BARNES;

wherebytreadles are diepensedwith. Witnesses: i {The combination, substzmtiallyme here- W. T. ROBERTSON" I inheforeset forth, of the frame, the double 

